Parameterized

* Fix bug with expand + empty arguments (thanks jikamens;
https://github.com/wolever/nose-parameterized/pull/25)

* Fix bug with expand + empty docstring (thanks jikamens;
https://github.com/wolever/nose-parameterized/pull/24)

* Include parameters in ``parameterized.expand`` function docstrings
(https://github.com/wolever/nose-parameterized/pull/22; thanks
smspillaz)
* Drop Python 3.2 support

* Allow the names of test cases generated by ``parameterized.expand`` to
be customized.
(https://github.com/wolever/nose-parameterized/pull/19;
thanks curtissiemens)

* Use ``functools.wraps`` to wrap expanded functions
(https://github.com/wolever/nose-parameterized/pull/17;
thanks toumorokoshi)

* Replace unsafe characters with "_" in names generated by
``parameterized.expand``.